31353440162226 has 64 divisors (see below), whose sum is σ = 77298101750016. Its totient is φ = 8256138854400.

The previous prime is 31353440162201. The next prime is 31353440162281. The reversal of 31353440162226 is 62226104435313.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44442435 + ... + 45142406.

It is an arithmetic number, because the mean of its divisors is an integer number (1207782839844).

Almost surely, 2^{31353440162226} is an apocalyptic number.

31353440162226 is an abundant number, since it is smaller than the sum of its proper divisors (45944661587790).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31353440162226 is a wasteful number, since it uses less digits than its factorization.

31353440162226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89585507.

The product of its (nonzero) digits is 622080, while the sum is 42.

Adding to 31353440162226 its reverse (62226104435313), we get a palindrome (93579544597539).

The spelling of 31353440162226 in words is "thirty-one trillion, three hundred fifty-three billion, four hundred forty million, one hundred sixty-two thousand, two hundred twenty-six".